diff --git a/src/index.ts b/src/index.ts
index e94b6099..3a331f8f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -52,10 +52,10 @@ const transformer = (_: ts.Program) => (context: ts.TransformationContext) => (
   }
 
   function fileExists(s: string) {
-    // if has extensions, file must exist
-    if (extname(s) !== "") return existsSync(s);
-    // else check for implicit extensions .ts, .dts, etc...
+    // check for implicit extensions .ts, .dts, etc...
     for (const ext of implicitExtensions) if (existsSync(s + ext)) return true;
+    // else if has extensions, file must exist
+    if (extname(s) !== "") return existsSync(s);
     return false;
   }
 
diff --git a/tests/__fixtures/core/index.ts b/tests/__fixtures/core/index.ts
index 9a7d09a5..53463eaa 100644
--- a/tests/__fixtures/core/index.ts
+++ b/tests/__fixtures/core/index.ts
@@ -7,10 +7,12 @@ import { A } from "@circular/a";
 import * as path from "path";
 import * as b from "circular/a";
 import * as c from "../circular/a";
+import { myNative } from "@utils/utils.native";
 
 c.A;
 b.A;
 path.sep;
+myNative();
 
 sum.sum(2, 3);
 
diff --git a/tests/__fixtures/utils/utils.native.ts b/tests/__fixtures/utils/utils.native.ts
new file mode 100644
index 00000000..8616a67e
--- /dev/null
+++ b/tests/__fixtures/utils/utils.native.ts
@@ -0,0 +1 @@
+export function myNative() {}